Socket AM4 Chipset AMD B550 Chipset DDR4 Memory Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE Memory Channel Dual DIMM Slots 4 Max Memory (GB) 128 PCI-E x16 2 PCI-E x1 2 SATAIII 6 M.2 Slot 2 RAID 0/1/10 TPM (header) 1 LAN 1x Realtek® 8111H Gigabit LAN controller USB 3.2 ports (Front) 1(Gen 1, Type C), 2(Gen 1, Type A) USB 3.2 ports (Rear) 1(Gen 2, Type C), 1(Gen 2, Type A), 2(Gen 1, Type A) USB 2.0 ports (Front) 4 USB 2.0 ports (Rear) 4 Audio ports (Rear) Realtek® ALC892/ALC897 Codec DisplayPort 1 HDMI 1 DirectX 12 Form Factor ATX CrossFire Y